US3278796A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetically controllable plasma flame generator
Assignee: Hitachi Ltd
•
Filing: 1963-06-10
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Granted: 1966-10-11
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Expires: 1983-06-10
Abstract
No abstract record available.
Inventors
- 👤 Takei Sachio
- 👤 Yamamoto Manabu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:19
CPC Classifications
H; H05; H05H; H05H1/00; H05H1/0006; H05H1/24; H05H1/26; H05H1/32; H05H1/34; H05H1/40; H05H1/48; H05H1/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A CONROLLABLE PLASMA FLAME GENERATOR WHICH COMPRISES: A ROD-SHAPED FIRST ELECTRODE; A SECOND ELECTRODE SURROUNDING SAID FIRST ELECTRODE AND HAVING A NOZZLE; MEANS FOR CREATING AN ARC DISCHARGE BETWEEN THE SAID TWO ELECTRODES; MEANS FOR INTRODUCING A GAS CURRENT THROUGH THE DISCHARGE PATH OF THIS ARC SO THAT IT MAY BE JETTED OUT OF THE SAID NOZZLE; MEANS FOR IMPRESSING ON THE ARC DISCHARGE PATH BETWEEN SAID TWO ELECTRODES A MAGNETIC FIELD WHICH INTERSECTS THEREWITH; AND MEANS FOR AUTOMATICALLY VARYING THE STRENGTH OF THE SAID LUMINANCE FIELF IN RESPONSE TO VIBRATIONS IN INTENSITY OF LUMINANCE OF THE JET PLASMA FLAME; WHEREBY THE CONDITIONS OF ARC DISCHARGE CAN BE CONTROLLED OPTIONALLY AND IN A STABLE MANNER.
Claim 2
Dependent Claim
115 words
A CONROLLABLE PLASMA FLAME GENERATOR WHICH COMPRISES: A ROD-SHAPED FIRST ELECTRODE; A SECOND ELECTRODE SURROUNDING SAID FIRST ELECTRODE AND HAVING A NOZZLE; MEANS FOR CREATING AN ARC DISCHARGE BETWEEN THE SAID TWO ELECTRODES; MEANS FOR INTRODUCING A GAS CURRENT THROUGH THE DISCHARGE PATH OF THIS ARC SO THAT IT MAY BE JETTED OUT OF THE SAID NOZZLE; MEANS FOR IMPRESSING ON THE ARC DISCHARGE PATH BETWEEN SAID TWO ELECTRODES A MAGNETIC FIELD WHICH INTERSECTS THEREWITH; AND MEANS FOR AUTOMATICALLY VARYING THE STRENGTH OF THE SAID LUMINANCE FIELF IN RESPONSE TO VIBRATIONS IN INTENSITY OF LUMINANCE OF THE JET PLASMA FLAME; WHEREBY THE CONDITIONS OF ARC DISCHARGE CAN BE CONTROLLED OPTIONALLY AND IN A STABLE MANNER.
References Cited (Backward Citations)
US749793A
Cited
US3048736A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |